Fix unintended bug template overwrite

Author: George B

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,10 +1,27 @@
 ---
-name: Design/Implementation changes
-about: Suggest a change in the project's logic or implementation
-title: "[Design/Implementation] - ..."
+name: Bug report
+about: Create a report to identify unintended behaviour
+title: "[BUG] - ..."
 labels: bug
 assignees: ''
 
 ---
 
+**Describe the bug**
+A clear and concise description of what the bug is.
 
+**To Reproduce**
+Steps to reproduce the behaviour:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.